treatments-xml/data/AC/D2/BA/ACD2BA36C06656F8B932182FD1CE7D49.xml

<document id="103CB7C58D57586454DC4299EA6300EA" ID-CLB-Dataset="304167" ID-DOI="10.3897/zse.100.128717" ID-GBIF-Dataset="a7f81ef5-5178-48c8-8d40-80b29116daad" ID-ZooBank="FD4C02D2-01F9-4A4C-817B-F81B27F22A41" ID-publisher-id="128717" URI-arpha="A58A01B3-C620-5671-AB59-ABE7916A4ADE" URI-zoobank="http://zoobank.org/FD4C02D2-01F9-4A4C-817B-F81B27F22A41" XM.bibliography_approvedBy="admin" XM.materialsCitations_approvedBy="admin" XM.treatments_approvedBy="admin" article-type="research-article" checkinTime="1728062842085" checkinUser="pensoft" docAuthor="Klongklaew, Kanyaporn, Poeaim, Supattra &amp; Dumrongrojwattana, Pongrat" docDate="2024" docId="ACD2BA36C06656F8B932182FD1CE7D49" docLanguage="en" docName="Zoosystematics and Evolution 100(4): 1347-1360" docOrigin="Zoosystematics and Evolution 100 (4)" docSource="https://zse.pensoft.net/article/128717/download/xml/" docStyle="DocumentStyle:PensoftTaxPub.0000.journal_article.generic" docStyleName="PensoftTaxPub.0000.journal_article.generic" docTitle="Georissa kohsichangensis Klongkaew, Poeaim &amp; Dumrongrojwattana 2024, sp. nov." docType="treatment" docUuid="77F45669-50F9-4FCF-991F-BFC63C7327E7" docUuidSource="ZooBank" docVersion="3" dtd-version="3.0" lastPageNumber="1360" masterDocId="A58A01B3C6205671AB59ABE7916A4ADE" masterDocTitle="Four new species of Georissa W. Blanford, 1864 (Gastropoda, Hydrocenidae) from Thailand" masterLastPageNumber="1360" masterPageNumber="1347" pageNumber="1347" updateTime="1728065275675" updateUser="admin">
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<mods:title id="231446720A1E286AF1AD4BA4E743A764">Four new species of Georissa W. Blanford, 1864 (Gastropoda, Hydrocenidae) from Thailand</mods:title>
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<mods:namePart id="BF2FB2B03255B0F04FE6E34EF95EDF5F">Klongklaew, Kanyaporn</mods:namePart>
<mods:affiliation id="2698A7476204B4C189C1369F1B36974A">Department of Biology, School of Science, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand</mods:affiliation>
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<mods:namePart id="812FE21076ECBEECBC30333A1CB14929">Poeaim, Supattra</mods:namePart>
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<mods:namePart id="5039E0E24563C03CF909E988CD0A194C">Dumrongrojwattana, Pongrat</mods:namePart>
<mods:affiliation id="1DE98A40F239AB40092445218C2EDC7D">Department of Biology, Faculty of Science, Burapha University, Bangsaen, Chonburi 20131, Thailand</mods:affiliation>
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<subSubSection id="42DE5E53889209973C87A3F3207F7386" type="nomenclature">
<paragraph id="D85E1C8049830805822B866CF0F68983">
<taxonomicName id="4E379A97240374035E5E353CF652FBAD" authority="Klongkaew, Poeaim &amp; Dumrongrojwattana" authorityName="Klongkaew, Poeaim &amp; Dumrongrojwattana" authorityYear="2024" class="Gastropoda" family="Hydrocenidae" genus="Georissa" kingdom="Animalia" order="Cycloneritida" phylum="Mollusca" rank="species" species="kohsichangensis" status="sp. nov.">
<emphasis id="0749C178C297094DB01AA224B37F8F3C" italics="true">Georissa kohsichangensis</emphasis>
Klongkaew, Poeaim &amp; Dumrongrojwattana
</taxonomicName>
<taxonomicNameLabel id="C4D93142572BC2A42262CA03983B8EF9" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="3579EF1424086AB410BCB01850AB3E22" type="description">
<paragraph id="9D385778F2011AF10FC3708E093E503F">
<figureCitation id="6CEBA95E01A89B9C93C0CF72F4AA7E5B" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Shell morphology of the new Georissa species: A. G. quinquelirata sp. nov. (Holotype ZRCBUU 0900); B. G. kohsichangensis sp. nov. (Holotype ZRCBUU 0902); C. G. sagitta sp. nov. (Holotype ZRCBUU 0904), and D. G. digitinota sp. nov. (Holotype ZRCBUU 0906)." figureDoi="10.3897/zse.100.128717.figure2" httpUri="https://binary.pensoft.net/fig/1148341">Figs 2 B</figureCitation>
, 
<figureCitation id="62DD3B78138868124111C11091484228" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. SEM of Georissa new species. A – D. G. quinquelirata sp. nov. (Holotype ZRCBUU 0901); E – H. G. kohsichangensis sp. nov. (Holotype ZRCBUU 0903); A, E. Shell; B, F. Protoconch; C, G. Sculpture of protoconch; D, H. Operculum; I – L. G. sagitta sp. nov. (Holotype ZRCBUU 0905); M – P. G. digitinota sp. nov. (Holotype ZRCBUU 0907); I, M. Shell; J, N. Protoconch; K, O. Sculpture of protoconch; L, P. Operculum." figureDoi="10.3897/zse.100.128717.figure4" httpUri="https://binary.pensoft.net/fig/1148343">4 E – H</figureCitation>
, 
<figureCitation id="4DE4C2437B3479D00486C2A6FA3EFDE6" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. SEM of radula morphology of Georissa. A – D. G. quinquelirata sp. nov.; E – H. G. kohsichangensis sp. nov.; A, E. Radula overview; B, F. Radula segment; C, G. Lateral teeth (Lt); D, H. Marginal teeth (Mt); I – L. G. sagitta sp. nov. M – P; G. digitinota sp. nov.; I, M. Radula segment; J, M. Radula segment close up; K, O. Lateral teeth (Lt); L, P. Marginal teeth (Mt). Color highlights show radula position; blue: small central teeth (Ct), purple: lateral teeth, and orange: marginal teeth." figureDoi="10.3897/zse.100.128717.figure5" httpUri="https://binary.pensoft.net/fig/1148344">5 E – H</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="SECID0EIMBG" type="type material">
<paragraph id="275C82E5CCF7E381B91FD571A5B82054">
<heading id="041C8D786E52448DB55402C304042B75" reason="title">Type material.</heading>
</paragraph>
<paragraph id="891319D93C2C28BB6FD687CC78497137">
<materialsCitation id="4DB4CD16D678862F37B1DD9A8E0D31B0" collectingDate="2021-10-30" collectionCode="ZRCBUU" collectorName="P. Dumrongrojwattana" country="Thailand" county="Koh Sichang district" latitude="13.152277" location="Yai Man cave" longLatPrecision="1" longitude="100.80778" specimenCode="ZRCBUU 0902" specimenCount="1" stateProvince="Chonburi Province" typeStatus="holotype">
<emphasis id="E4A81E1186B1705FA8C320D16839A268" bold="true" italics="true">
<typeStatus id="3332B2766DA7878F68700E9749505B74" type="holotype">Holotype</typeStatus>
</emphasis>
• 
<specimenCode id="CBB73CB1DC249CD6505518AB47B8D900">
<abbrev id="ABBRID0ETMBG" xlink_title="Zoological Research Collection of Burapha University">ZRCBUU</abbrev>
0902
</specimenCode>
(Fig. 
<figureCitation id="25807007E4B33AA701346D4B2201FC01" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Shell morphology of the new Georissa species: A. G. quinquelirata sp. nov. (Holotype ZRCBUU 0900); B. G. kohsichangensis sp. nov. (Holotype ZRCBUU 0902); C. G. sagitta sp. nov. (Holotype ZRCBUU 0904), and D. G. digitinota sp. nov. (Holotype ZRCBUU 0906)." figureDoi="10.3897/zse.100.128717.figure2" httpUri="https://binary.pensoft.net/fig/1148341">2 B</figureCitation>
). 
<abbrev id="ABBRID0E2MBG" xlink_title="Shell height">SH</abbrev>
= 
<quantity id="B09495CF50E6006508F1F15EE47F744B" metricMagnitude="-3" metricUnit="m" metricValue="2.1" unit="mm" value="2.1">2.10 mm</quantity>
, 
<abbrev id="ABBRID0E6MBG" xlink_title="shell width">SW</abbrev>
= 
<quantity id="ECEC925EB6BFF769EDE0E7906D30A720" metricMagnitude="-3" metricUnit="m" metricValue="1.43" unit="mm" value="1.43">1.43 mm</quantity>
, 
<abbrev id="ABBRID0EDNBG" xlink_title="aperture height">AH</abbrev>
= 
<quantity id="ECCE0C3F04DF3AB8852728B649A16194" metricMagnitude="-4" metricUnit="m" metricValue="6.3" unit="mm" value="0.63">0.63 mm</quantity>
, 
<abbrev id="ABBRID0EHNBG" xlink_title="aperture width">AW</abbrev>
= 
<quantity id="C5CEB8126182A35E519E6F9C38FA9654" metricMagnitude="-4" metricUnit="m" metricValue="9.0" unit="mm" value="0.9">0.90 mm</quantity>
, W = 4.25–4.5
</materialsCitation>
. 
<materialsCitation id="64D64D87F91B7199B93C4E1436155C1F" collectingDate="2021-10-30" collectionCode="ZRCBUU" collectorName="P. Dumrongrojwattana" country="Thailand" county="Koh Sichang district" latitude="13.152277" location="Yai Man cave" longLatPrecision="1" longitude="100.80778" specimenCode="ZRCBUU 0903" specimenCount="1" stateProvince="Chonburi Province" typeStatus="paratype">
<emphasis id="52B86F60FC3DB7A60AE2C32BDF6ACE1E" bold="true" italics="true">
<typeStatus id="D5D1FB850B1C261E906DA58E5369268F" type="paratype">Paratype</typeStatus>
</emphasis>
• 
<specimenCode id="88929DEE02A3CA64CF039541168BDA00">
<abbrev id="ABBRID0EONBG" xlink_title="Zoological Research Collection of Burapha University">ZRCBUU</abbrev>
0903
</specimenCode>
(Fig. 
<figureCitation id="732F23443179AE995F2619CADB196C17" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. SEM of Georissa new species. A – D. G. quinquelirata sp. nov. (Holotype ZRCBUU 0901); E – H. G. kohsichangensis sp. nov. (Holotype ZRCBUU 0903); A, E. Shell; B, F. Protoconch; C, G. Sculpture of protoconch; D, H. Operculum; I – L. G. sagitta sp. nov. (Holotype ZRCBUU 0905); M – P. G. digitinota sp. nov. (Holotype ZRCBUU 0907); I, M. Shell; J, N. Protoconch; K, O. Sculpture of protoconch; L, P. Operculum." figureDoi="10.3897/zse.100.128717.figure4" httpUri="https://binary.pensoft.net/fig/1148343">4 E – H</figureCitation>
) (12 shells); Shell measurements: 
<abbrev id="ABBRID0EWNBG" xlink_title="Shell height">SH</abbrev>
= 
<quantity id="B500C5F2CBD3557E7ED3940135A7726D" metricMagnitude="-3" metricUnit="m" metricValue="1.875" metricValueMax="2.03" metricValueMin="1.72" unit="mm" value="1.875" valueMax="2.03" valueMin="1.72">1.72–2.03 mm</quantity>
(1.86 ± 
<quantity id="C06A03ED2C5B02CF842E0C1B198B1D4C" metricMagnitude="-4" metricUnit="m" metricValue="1.0" unit="mm" value="0.1">0.10 mm</quantity>
), 
<abbrev id="ABBRID0E1NBG" xlink_title="shell width">SW</abbrev>
= 
<quantity id="7E04D68F8535AA48CA80B0DE008F9CB7" metricMagnitude="-3" metricUnit="m" metricValue="1.315" metricValueMax="1.42" metricValueMin="1.21" unit="mm" value="1.315" valueMax="1.42" valueMin="1.21">1.21–1.42 mm</quantity>
(1.30 ± 
<quantity id="CF5305084A11A97413D3BA69BB012096" metricMagnitude="-5" metricUnit="m" metricValue="7" unit="mm" value="0.07">0.07 mm</quantity>
), 
<abbrev id="ABBRID0E5NBG" xlink_title="aperture height">AH</abbrev>
= 
<quantity id="85D89DC0DDA2C4098A6B58C6EF6AB23D" metricMagnitude="-4" metricUnit="m" metricValue="6.15" metricValueMax="7.199999999999999" metricValueMin="5.1" unit="mm" value="0.615" valueMax="0.72" valueMin="0.51">0.51–0.72 mm</quantity>
(0.62 ± 
<quantity id="769B473EE3F41A437AEB832A93003A38" metricMagnitude="-5" metricUnit="m" metricValue="5.0" unit="mm" value="0.05">0.05 mm</quantity>
), 
<abbrev id="ABBRID0ECOBG" xlink_title="aperture width">AW</abbrev>
= 
<quantity id="FB3326E0D658FDAA614291BA5FD1848B" metricMagnitude="-4" metricUnit="m" metricValue="7.949999999999999" metricValueMax="8.4" metricValueMin="7.5" unit="mm" value="0.7949999999999999" valueMax="0.84" valueMin="0.75">0.75–0.84 mm</quantity>
(0.79 ± 
<quantity id="E44AB5600CAE6755A9A67FD1742ADD84" metricMagnitude="-5" metricUnit="m" metricValue="3.0" unit="mm" value="0.03">0.03 mm</quantity>
), W = 3.75–4.5
</materialsCitation>
(all type material from type locality; 
<date id="AA0CD3D791FA956AD5533B3549F2B2D2" value="2021-10-30">
<collectingDate id="894C6B80172A0C2EB63F52165524D389" value="2021-10-30">30 October 2021</collectingDate>
</date>
, 
<collectorName id="A95A36A22640079573C899D87D1EC1A2">P. Dumrongrojwattana</collectorName>
leg).
</paragraph>
</subSubSection>
<subSubSection id="SECID0EGOBG" type="type locality">
<paragraph id="8C5F61644D586561FCB7C4B65F47EDDB">
<heading id="F2A1DE59BAE6F16D4B87F20D7DD02E99" reason="title">Type locality.</heading>
</paragraph>
<paragraph id="8E7A6B787E43B243FD4A89F22F9F1BD4">
<collectingCountry id="1A2A7969939C6F6AF60133B9C885A2DB" name="Thailand">Thailand</collectingCountry>
, 
<location id="BCB3A0708BE4713F12EFE46AE95A82BE" LSID="urn:lsid:plazi:treatment:ACD2BA36C06656F8B932182FD1CE7D49:BCB3A0708BE4713F12EFE46AE95A82BE" country="Thailand" county="Koh Sichang district" latitude="13.152277" longLatPrecision="1" longitude="100.80778" name="Yai Man cave" stateProvince="Chonburi Province">Yai Man cave</location>
, 
<collectingCounty id="3E7B562230BD1510A92DC1316EC11120">Koh Sichang district</collectingCounty>
, 
<collectingRegion id="F58B551406EB0ADDA9F394E99C2285ED" country="Thailand" name="Chon Buri">Chonburi Province</collectingRegion>
; 
<named-content content-type="dwc:verbatimCoordinates" id="NCID0EPOBG" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[100.807778,13.152278]}">
<geoCoordinate id="698CBFCAD7710A5FA763FC1BAFE5AD93" degrees="13" direction="north" minutes="09" orientation="latitude" precision="1" seconds="08.2" value="13.152277">13 ° 09 ' 08.2 &quot; N</geoCoordinate>
, 
<geoCoordinate id="5D415447426A29423DC62293065DBCF2" degrees="100" direction="east" minutes="48" orientation="longitude" precision="1" seconds="28.0" value="100.80778">100 ° 48 ' 28.0 &quot; E</geoCoordinate>
</named-content>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EUOBG" type="etymology">
<paragraph id="8E9770729088AC93710F3409D6A320D5">
<heading id="C7E1FC711F6595CD503B1B1E9A6650E5" reason="title">Etymology.</heading>
</paragraph>
<paragraph id="90363534511B823E05542BC6AA000B79">
This specific designation “ 
<emphasis id="FA6C7B77E7AE0C8F39BA0C87FC1BC8FA" italics="true">kohsichangensis</emphasis>
” is a district referring to the type locality.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EEPBG" type="diagnosis">
<paragraph id="8AD88C329AA16F27B9FD6B4F6C8DC9F5">
<heading id="08D9CB8CAC09740D00509AF0D1FACE4C" reason="title">Diagnosis.</heading>
</paragraph>
<paragraph id="4F09323B6F46354C02BBE2E1DE3167BF">Shell minute, ovately conical and the upper half part of the whorls is slightly downward, orangish to brownish, protoconch round to slightly ellipsoid and perforated sculpture. Body whorl with 6–7 spiral lirae. Aperture rhombate. Umbilicus closed. Operculum corneous with apophysis, paucispiral, opaque white, and rhombate.</paragraph>
</subSubSection>
<subSubSection id="SECID0EJPBG" type="description">
<paragraph id="9E3237C4B396FEF948FCCF8933943CA0">
<heading id="60783CC28F85366A42979566A9774950" reason="title">Description.</heading>
</paragraph>
<paragraph id="7645EA4A3014CA13E044FFDC3F71F21F">
Shell minute, dextral, orangish to brownish, ovately conical with 4.25–4.5 whorls (Fig. 
<figureCitation id="C33FAF79033FB4C4E04EDCA95FC676A4" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Shell morphology of the new Georissa species: A. G. quinquelirata sp. nov. (Holotype ZRCBUU 0900); B. G. kohsichangensis sp. nov. (Holotype ZRCBUU 0902); C. G. sagitta sp. nov. (Holotype ZRCBUU 0904), and D. G. digitinota sp. nov. (Holotype ZRCBUU 0906)." figureDoi="10.3897/zse.100.128717.figure2" httpUri="https://binary.pensoft.net/fig/1148341">2 B</figureCitation>
). Protoconch orange, about one whorl, round to slightly ellipsoid, covered with perforated sculpture (Fig. 
<figureCitation id="2AB476846CC9452D0C053A3F663DEF36" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. SEM of Georissa new species. A – D. G. quinquelirata sp. nov. (Holotype ZRCBUU 0901); E – H. G. kohsichangensis sp. nov. (Holotype ZRCBUU 0903); A, E. Shell; B, F. Protoconch; C, G. Sculpture of protoconch; D, H. Operculum; I – L. G. sagitta sp. nov. (Holotype ZRCBUU 0905); M – P. G. digitinota sp. nov. (Holotype ZRCBUU 0907); I, M. Shell; J, N. Protoconch; K, O. Sculpture of protoconch; L, P. Operculum." figureDoi="10.3897/zse.100.128717.figure4" httpUri="https://binary.pensoft.net/fig/1148343">4 F, G</figureCitation>
). Teleconch orange 3.25–3.5 whorls. The upper half part of the body whorls is slightly downward, sculptured with only strong oblique growth lines, 6–7 prominent lirae, weak oblique growth lines present on the half lower part of the body whorls, more densely spaced spiral cords, ca. 6–8 cords, at the basal part of the body whorl (Fig. 
<figureCitation id="5CF13A8987449F21A400E2FAF11A34E7" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Shell morphology of the new Georissa species: A. G. quinquelirata sp. nov. (Holotype ZRCBUU 0900); B. G. kohsichangensis sp. nov. (Holotype ZRCBUU 0902); C. G. sagitta sp. nov. (Holotype ZRCBUU 0904), and D. G. digitinota sp. nov. (Holotype ZRCBUU 0906)." figureDoi="10.3897/zse.100.128717.figure2" httpUri="https://binary.pensoft.net/fig/1148341">2 B</figureCitation>
, 
<figureCitation id="D038CA4B5332B774622DABAFCAE35DCE" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. SEM of Georissa new species. A – D. G. quinquelirata sp. nov. (Holotype ZRCBUU 0901); E – H. G. kohsichangensis sp. nov. (Holotype ZRCBUU 0903); A, E. Shell; B, F. Protoconch; C, G. Sculpture of protoconch; D, H. Operculum; I – L. G. sagitta sp. nov. (Holotype ZRCBUU 0905); M – P. G. digitinota sp. nov. (Holotype ZRCBUU 0907); I, M. Shell; J, N. Protoconch; K, O. Sculpture of protoconch; L, P. Operculum." figureDoi="10.3897/zse.100.128717.figure4" httpUri="https://binary.pensoft.net/fig/1148343">4 E</figureCitation>
). Suture incised. Aperture rhombate. Peristome thin, sharp, unexpanded or thickened, not reflected. Umbilicus closed. Operculum paucispiral, nucleus submarginal, corneous, opaque white, rhombate shape, thin, smooth outside surface with apophysis, inside surface with an arched peg arising from base (Fig. 
<figureCitation id="D83F4B74ECE44E16B13FD462E1E94B07" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. SEM of Georissa new species. A – D. G. quinquelirata sp. nov. (Holotype ZRCBUU 0901); E – H. G. kohsichangensis sp. nov. (Holotype ZRCBUU 0903); A, E. Shell; B, F. Protoconch; C, G. Sculpture of protoconch; D, H. Operculum; I – L. G. sagitta sp. nov. (Holotype ZRCBUU 0905); M – P. G. digitinota sp. nov. (Holotype ZRCBUU 0907); I, M. Shell; J, N. Protoconch; K, O. Sculpture of protoconch; L, P. Operculum." figureDoi="10.3897/zse.100.128717.figure4" httpUri="https://binary.pensoft.net/fig/1148343">4 H</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="SECID0EDQBG" type="Radula">
<paragraph id="85BB4F6D779AA6652B46865FF26BBC2B">
<heading id="3043F926AE926D393054B1021C5269ED" reason="title">Radula.</heading>
</paragraph>
<paragraph id="6E29A93B569515175C34D585A468FB71">
Ribbon-like, slender, longer and delicate towards the outside, rhipidoglossate (Fig. 
<figureCitation id="24F301D1B1B35F7FB37AEA0BB9B8B91C" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. SEM of radula morphology of Georissa. A – D. G. quinquelirata sp. nov.; E – H. G. kohsichangensis sp. nov.; A, E. Radula overview; B, F. Radula segment; C, G. Lateral teeth (Lt); D, H. Marginal teeth (Mt); I – L. G. sagitta sp. nov. M – P; G. digitinota sp. nov.; I, M. Radula segment; J, M. Radula segment close up; K, O. Lateral teeth (Lt); L, P. Marginal teeth (Mt). Color highlights show radula position; blue: small central teeth (Ct), purple: lateral teeth, and orange: marginal teeth." figureDoi="10.3897/zse.100.128717.figure5" httpUri="https://binary.pensoft.net/fig/1148344">5 E – H</figureCitation>
). Central tooth five small teeth, trapezoid shape. Lateral teeth five teeth, claw-like with 7–11 alternately long and short denticles decreasing in size from the first lateral tooth toward the 5 
<superScript id="75FDA721AB855F69234FB8B44A77FDF0">th</superScript>
lateral tooth. Marginal teeth two teeth, claw-like with 14–18 equal size denticles. Radula formula 2: 5: 1 + 1 + 1 + 1 + 1 + 1: 5: 2.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EPQBG" type="Differential diagnosis">
<paragraph id="0207FBFB944B33FDC66F3F2485FE35A0">
<heading id="8E5AD4071018DDCDA6187A480C5A80B5" reason="title">Differential diagnosis.</heading>
</paragraph>
<paragraph id="15A727884C15670A50F5ED9931F34878">
<taxonomicName id="067F1FDEEA80FABA4F0ABFD36D0C4D9E" authorityName="Klongklaew &amp; Poeaim &amp; Dumrongrojwattana" authorityYear="2024" class="Gastropoda" family="Hydrocenidae" genus="Georissa" kingdom="Animalia" order="Cycloneritida" phylum="Mollusca" rank="species" species="kohsichangensis" status="sp. nov.">
<emphasis id="66699F5197F2597895621B947B5E1632" italics="true">Georissa kohsichangensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="72262E46AABD6152E6BB7BCC5FFF5F6F" rank="species">sp. nov.</taxonomicNameLabel>
resembles 
<taxonomicName id="9C719DEF44DC7C9C8475742199846312" authority="Sutcharit &amp; Jirapatrasilp, 2020" authorityName="Sutcharit &amp; Jirapatrasilp" authorityYear="2020" class="Gastropoda" family="Hydrocenidae" genus="Georissa" kingdom="Animalia" order="Cycloneritida" phylum="Mollusca" rank="species" species="carinata">
<emphasis id="315394B601D3B8E73C8EFF10D96301D2" italics="true">G. carinata</emphasis>
Sutcharit &amp; Jirapatrasilp, 2020
</taxonomicName>
from 
<collectingCountry id="738DBE711A46673CDE4AB7442DE56633" name="Cambodia">Cambodia</collectingCountry>
. 
<taxonomicName id="FD30D4A2BACC4D55D072124A3E9BE934" authorityName="Sutcharit &amp; Jirapatrasilp" authorityYear="2020" class="Gastropoda" family="Hydrocenidae" genus="Georissa" kingdom="Animalia" order="Cycloneritida" phylum="Mollusca" rank="species" species="carinata">
<emphasis id="EFD2FBD34196E5D6434BE8378F7A9931" italics="true">Georissa carinata</emphasis>
</taxonomicName>
differs in having more convex body whorl, a smooth protoconch, and sculptured with thin and uneven growth lines.
</paragraph>
</subSubSection>
</treatment>
</document>